1 # ===========================================================================
2 # https://www.gnu.org/software/autoconf-archive/ax_lib_postgresql.html
3 # ===========================================================================
7 # AX_LIB_POSTGRESQL([MINIMUM-VERSION],[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
11 # This macro provides tests of availability of PostgreSQL 'libpq' library
12 # of particular version or newer.
14 # AX_LIB_POSTGRESQL macro takes only one argument which is optional. If
15 # there is no required version passed, then macro does not run version
18 # The --with-postgresql option takes one of three possible values:
20 # no - do not check for PostgreSQL client library
22 # yes - do check for PostgreSQL library in standard locations (pg_config
23 # should be in the PATH)
25 # path - complete path to pg_config utility, use this option if pg_config
26 # can't be found in the PATH (You could set also PG_CONFIG variable)
30 # AC_SUBST(POSTGRESQL_CPPFLAGS)
31 # AC_SUBST(POSTGRESQL_LDFLAGS)
32 # AC_SUBST(POSTGRESQL_LIBS)
33 # AC_SUBST(POSTGRESQL_VERSION)
39 # It execute if found ACTION-IF-FOUND (empty by default) and
40 # ACTION-IF-NOT-FOUND (AC_MSG_FAILURE by default) if not found.
44 # Copyright (c) 2008 Mateusz Loskot <mateusz@loskot.net>
45 # Copyright (c) 2014 Sree Harsha Totakura <sreeharsha@totakura.in>
46 # Copyright (c) 2018 Bastien Roucaries <rouca@debian.org>
48 # Copying and distribution of this file, with or without modification, are
49 # permitted in any medium without royalty provided the copyright notice
50 # and this notice are preserved. This file is offered as-is, without any
55 AC_DEFUN([_AX_LIB_POSTGRESQL_OLD],[
57 _AX_LIB_POSTGRESQL_OLD_fail="no"
59 AC_CACHE_CHECK([for the pg_config program], [ac_cv_path_PG_CONFIG],
60 [AC_PATH_PROGS_FEATURE_CHECK([PG_CONFIG], [pg_config],
61 [[ac_cv_path_PG_CONFIG="";$ac_path_PG_CONFIG --includedir > /dev/null \
62 && ac_cv_path_PG_CONFIG=$ac_path_PG_CONFIG ac_path_PG_CONFIG_found=:]],
63 [ac_cv_path_PG_CONFIG=""])])
64 PG_CONFIG=$ac_cv_path_PG_CONFIG
65 AS_IF([test "X$PG_CONFIG" = "X"],[break])
67 AC_CACHE_CHECK([for the PostgreSQL libraries CPPFLAGS],[ac_cv_POSTGRESQL_CPPFLAGS],
68 [ac_cv_POSTGRESQL_CPPFLAGS="-I`$PG_CONFIG --includedir`" || _AX_LIB_POSTGRESQL_OLD_fail=yes])
69 AS_IF([test "X$_AX_LIB_POSTGRESQL_OLD_fail" = "Xyes"],[break])
70 POSTGRESQL_CPPFLAGS="$ac_cv_POSTGRESQL_CPPFLAGS"
72 AC_CACHE_CHECK([for the PostgreSQL libraries LDFLAGS],[ac_cv_POSTGRESQL_LDFLAGS],
73 [ac_cv_POSTGRESQL_LDFLAGS="-L`$PG_CONFIG --libdir`" || _AX_LIB_POSTGRESQL_OLD_fail=yes])
74 AS_IF([test "X$_AX_LIB_POSTGRESQL_OLD_fail" = "Xyes"],[break])
75 POSTGRESQL_LDFLAGS="$ac_cv_POSTGRESQL_LDFLAGS"
77 AC_CACHE_CHECK([for the PostgreSQL libraries LIBS],[ac_cv_POSTGRESQL_LIBS],
78 [ac_cv_POSTGRESQL_LIBS="-lpq"])
79 POSTGRESQL_LIBS="$ac_cv_POSTGRESQL_LIBS"
81 AC_CACHE_CHECK([for the PostgreSQL version],[ac_cv_POSTGRESQL_VERSION],
83 ac_cv_POSTGRESQL_VERSION=`$PG_CONFIG --version | sed "s/^PostgreSQL[[[:space:]]][[[:space:]]]*\([[0-9.]][[0-9.]]*\).*/\1/"` \
84 || _AX_LIB_POSTGRESQL_OLD_fail=yes
86 AS_IF([test "X$_AX_LIB_POSTGRESQL_OLD_fail" = "Xyes"],[break])
87 POSTGRESQL_VERSION="$ac_cv_POSTGRESQL_VERSION"
91 dnl Check if required version of PostgreSQL is available
93 AS_IF([test X"$postgresql_version_req" != "X"],[
94 AC_MSG_CHECKING([if PostgreSQL version $POSTGRESQL_VERSION is >= $postgresql_version_req])
95 AX_COMPARE_VERSION([$POSTGRESQL_VERSION],[ge],[$postgresql_version_req],
96 [found_postgresql_req_version=yes],[found_postgresql_req_version=no])
97 AC_MSG_RESULT([$found_postgresql_req_version])
99 AS_IF([test "Xfound_postgresql_req_version" = "Xno"],[break])
101 found_postgresql="yes"
106 AC_DEFUN([_AX_LIB_POSTGRESQL_PKG_CONFIG],
108 AC_REQUIRE([PKG_PROG_PKG_CONFIG])
113 AS_IF([test X$PKG_CONFIG = X],[break])
115 _AX_LIB_POSTGRESQL_PKG_CONFIG_fail=no;
116 AS_IF([test "X$postgresql_version_req" = "X"],
117 [PKG_CHECK_EXISTS([libpq],[found_postgresql_pkg_config=yes],[found_postgresql=no])],
118 [PKG_CHECK_EXISTS([libpq >= "$postgresql_version_req"],
119 [found_postgresql=yes],[found_postgresql=no])])
120 AS_IF([test "X$found_postgresql" = "no"],[break])
122 AC_CACHE_CHECK([for the PostgreSQL libraries CPPFLAGS],[ac_cv_POSTGRESQL_CPPFLAGS],
123 [ac_cv_POSTGRESQL_CPPFLAGS="`$PKG_CONFIG libpq --cflags-only-I`" || _AX_LIB_POSTGRESQL_PKG_CONFIG_fail=yes])
124 AS_IF([test "X$_AX_LIB_POSTGRESQL_PKG_CONFIG_fail" = "Xyes"],[break])
125 POSTGRESQL_CPPFLAGS="$ac_cv_POSTGRESQL_CPPFLAGS"
128 AC_CACHE_CHECK([for the PostgreSQL libraries LDFLAGS],[ac_cv_POSTGRESQL_LDFLAGS],
129 [ac_cv_POSTGRESQL_LDFLAGS="`$PKG_CONFIG libpq --libs-only-L --libs-only-other`" || _AX_LIB_POSTGRESQL_PKG_CONFIG_fail=yes])
130 AS_IF([test "X$_AX_LIB_POSTGRESQL_PKG_CONFIG_fail" = "Xyes"],[break])
131 POSTGRESQL_LDFLAGS="$ac_cv_POSTGRESQL_LDFLAGS"
134 AC_CACHE_CHECK([for the PostgreSQL libraries LIBS],[ac_cv_POSTGRESQL_LIBS],
135 [ac_cv_POSTGRESQL_LIBS="`$PKG_CONFIG libpq --libs-only-l`" || _AX_LIB_POSTGRESQL_PKG_CONFIG_fail=ye])
136 AS_IF([test "X$_AX_LIB_POSTGRESQL_PKG_CONFIG_fail" = "Xyes"],[break])
137 POSTGRESQL_LIBS="$ac_cv_POSTGRESQL_LIBS"
139 dnl already checked by exist but need to be recovered
140 AC_CACHE_CHECK([for the PostgreSQL version],[ac_cv_POSTGRESQL_VERSION],
141 [ac_cv_POSTGRESQL_VERSION="`$PKG_CONFIG libpq --modversion`" || _AX_LIB_POSTGRESQL_PKG_CONFIG_fail=yes])
142 AS_IF([test "X$_AX_LIB_POSTGRESQL_PKG_CONFIG_fail" = "Xyes"],[break])
143 POSTGRESQL_VERSION="$ac_cv_POSTGRESQL_VERSION"
153 AC_DEFUN([AX_LIB_POSTGRESQL],
155 AC_ARG_WITH([postgresql],
156 AS_HELP_STRING([--with-postgresql=@<:@ARG@:>@],
157 [use PostgreSQL library @<:@default=yes@:>@, optionally specify path to pg_config]
161 [[[nN]][[oO]]],[want_postgresql="no"],
162 [[[yY]][[eE]][[sS]]],[want_postgresql="yes"],
164 want_postgresql="yes"
168 [want_postgresql="yes"]
171 AC_ARG_VAR([POSTGRESQL_CPPFLAGS],[cpp flags for PostgreSQL overriding detected flags])
172 AC_ARG_VAR([POSTGRESQL_LIBFLAGS],[libs for PostgreSQL overriding detected flags])
173 AC_ARG_VAR([POSTGRESQL_LDFLAGS],[linker flags for PostgreSQL overriding detected flags])
176 AS_IF([test "X$POSTGRESQL_CPPFLAGS" != X],[ac_cv_POSTGRESQL_CPPFLAGS="$POSTGRESQL_CPPFLAGS"])
177 AS_IF([test "X$POSTGRESQL_LDFLAGS" != X],[ac_cv_POSTGRESQL_LDFLAGS="$POSTGRESQL_LDFLAGS"])
178 AS_IF([test "X$POSTGRESQL_LIBS" != X],[ac_cv_POSTGRESQL_LIBS="$POSTGRESQL_LIBS"])
180 postgresql_version_req=ifelse([$1], [], [], [$1])
181 found_postgresql="no"
183 POSTGRESQL_VERSION=""
186 dnl Check PostgreSQL libraries (libpq)
188 AS_IF([test X"$want_postgresql" = "Xyes"],[
189 _AX_LIB_POSTGRESQL_PKG_CONFIG
192 AS_IF([test X"$found_postgresql" = "Xno"],
193 [_AX_LIB_POSTGRESQL_OLD])
195 AS_IF([test X"$found_postgresql" = Xyes],[
196 _AX_LIB_POSTGRESQL_OLD_CPPFLAGS="$CPPFLAGS"
197 CPPFLAGS="$CPPFLAGS $POSTGRESQL_CPPFLAGS"
198 _AX_LIB_POSTGRESQL_OLD_LDFLAGS="$LDFLAGS"
199 LDFLAGS="$LDFLAGS $POSTGRESQL_LDFLAGS"
200 _AX_LIB_POSTGRESQL_OLD_LIBS="$LIBS"
201 LIBS="$LIBS $POSTGRESQL_LIBS"
204 AC_CHECK_HEADER([libpq-fe.h],[],[found_postgresql=no])
205 AS_IF([test "X$found_postgresql" = "Xno"],[break])
207 AC_CACHE_CHECK([for the PostgreSQL library linking is working],[ac_cv_postgresql_found],
212 #include <libpq-fe.h>
215 char conninfo[]="dbname = postgres";
217 conn = PQconnectdb(conninfo);
220 ],[ac_cv_postgresql_found=yes],
221 [ac_cv_postgresql_found=no])
223 found_postgresql="$ac_cv_postgresql_found"
224 AS_IF([test "X$found_postgresql" = "Xno"],[break])
227 CPPFLAGS="$_AX_LIB_POSTGRESQL_OLD_CPPFLAGS"
228 LDFLAGS="$_AX_LIB_POSTGRESQL_OLD_LDFLAGS"
229 LIBS="$_AX_LIB_POSTGRESQL_OLD_LIBS"
233 AS_IF([test "x$found_postgresql" = "xyes"],[
234 AC_DEFINE([HAVE_POSTGRESQL], [1],
235 [Define to 1 if PostgreSQL libraries are available])])
238 AC_SUBST([POSTGRESQL_VERSION])
239 AC_SUBST([POSTGRESQL_CPPFLAGS])
240 AC_SUBST([POSTGRESQL_LDFLAGS])
241 AC_SUBST([POSTGRESQL_LIBS])
243 AS_IF([test "x$found_postgresql" = "xyes"],
244 [ifelse([$2], , :, [$2])],
245 [ifelse([$3], , AS_IF([test X"$want_postgresql" = "Xyes"],[AC_MSG_ERROR([Library requirements (PostgreSQL) not met.])],[:]), [$3])])